Gas-producer



l (N0 Model.) J.v zB-LLWBGER. Y

GAS PRODUCER 2 Sheets-Sheet 1.'Y

' No..z9z,s95. l Patented @11.22, 1884.

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'A Honeys 2 Sheets-Sheet 2. J. ZBLLWEGER.- 1 Y GAS PRODUCER.

No Model.)

PatenfedJan. 22.1884.

Jy?, ,124 Lv-arg1.; wim/5835s f A tion and in the use of the gas.

UNITED STATES:

PATENT OFFICE.

JOHN ZELLWEGER, or CHICAGO, ILLINOrs.

GAS-PRODUCER.

SPECIFIOATION'forming part of Letters :Patent No. 292,595, dated January 22, 1i884.

Application filed July31, 1883'. (Nomodel.)

To all whom it may concern:

Beit known that I, JOHN ZELLWEGER, a citizen of the United States, residing at Chicago, in the county'of Cook and State..` of Illinois, have invented certain new and useful Improvements in Gas-Producers; and I do hereby declare the following to be a full, clear,

' v and exact description of the invention, such as will enable others skilledin the art to which it appertains to make and use the same, reference being had to the accompanying drawings, and to letters or figures of reference marked thereon, which form a part of this specification.

The present invention relates to any and all classes o f gas-producers which are troubled by the deposit of soot in'their flues.

In thetransformation of certain kinds of fuel into heating-gas it frequently occurs that a considerable quantity of soot is produced. This is especially the case when producers are run hot, or when the heat in the producer is allowed to rise to the upper portions of the fuel while the lower onesbecome cool, as is sometimes the case'when a steam-jet blast is used. The soot is carried from the producer, by the current of gases, into the flues'and is there deposited as -soon as the velocity of the current is diminished or where its direction is changed. The accumulations of 'this soot gradually stop up the dues that lead to the furnaces, thereby causing annoying disturbances in the produc- To avoid these disturbances I cause the soot to settle in a large chamber before it can enter the gas-Hue proper. For this purpose I interpose between each producer and the gas-flue a soot chamber or cellar through which they gas has to pass on its way to the furnaces. To insure compactness, efficiency, and convenience I locate this soot chamber or cellar atV the bottom and in the rear ofthe producer and connect it with the producer-chamber or with the port leading therefrom, either indirectly by means of one or'more vertical ilues, or directly by extending the soot-chamber itself up to the level of the gas-port. Further, I make it accessible through suitable doors, one in front under the hearth or grate, and, where the location permits, another in the rear near the floor. connectionlwith the gas-Hue I make by an extension of thesoot-cellar either horizontally under the gas-flue or vertically between it and the The ` producer to a gas tube or chamber, which communicates with the main flue. In this gas tube or chamber I place the valve by means 'of which the gas-producer and its soot-cham ber can be shut off from the gas-Hue. The-gas then, upon leaving the producer-chamber, has to descend through the vertical iiues into the soot-chamber, where its velocity is greatly reduced on account of the enlarged cross-section of the passage. The soot, being specifically heavier than the gas, is dropped and the latter flows on into the gas-due.

A In the accompanying drawings, which illustrate my invention, Figure l. is a perspective view, showing the exterior of one gas-producer Aand an interior of a second, asection being taken to that shown in 1. Fig. 3 is avertical cross-section taken on the line m n of Fig. 2. Fig. 4 is a vertical cross-section taken on the line 'o p of Fig. 2. Fig. 5 is a horizontal section taken on the line st of Fig. 2. Fig. 6isa horizontal section taken on the line u c of Fig. 2. Fig. 7 is a vertical longitudinal section through a set of producers-arranged vin two rows on opposite sides of a main ue, F. As this arrangement makes the rear of the producersinaccessible, I introduce an upward extension, G, of the soot-chamber C. Fig. 8 is a vertical section. on 'the line m n of Fig. 7. Fig. 9 is a vertical section on the line o p of Fig. 7. Fig. 10 is a horizontal section on the line s t of Fig. 7 Fig. ll-is a horizontal section on the line a c of Fig. 7, and Figs. l2 and 13 are a planand cross section, respectively, of one of the cast-iron coverings for the pokeholes in the top of the producer.

A is the gas-producing chamber, which may be of any approved construction. The g-as passing through the port l? enters the gaschamber A andl descends through the vertical iiues B into the soot-chamber C, where its velocity, on account of the increased cross-section of the chamber, becomes greatly reduced and the soot is herein deposited. The gas then passes on through the extension C ofthe soot-chamber and out through the opening D', and by means of the chamber H and opening E into'the main gas-Hue F. The flue or chamber H contains a valve, V, by means of which the producer can be entirely shut 0E from the IOO main gas-flue. The chamber H connecting the pipes which form the extension to the openings D' and E, and also containing the valve, comes outside the masonry of the producer, and a door closes the end of each pipe, as shown, so that access can be had for cleaning. An opening, D, closed by a lid, is provided in the front wall of thesoot-chamber, through which the soot that has collected in the chamber can be removed from time to time, and it can also, with the first form of producer,be removed th rough the rear openin g, D', in the same manner, or the soot can be burned out by admitting air through these openings. The vertical lues B and the upper portions of the soot-chamber can be cleaned by means of tools inserted through the openings G over each vertical flue. rIhe same openings G also give access to the gas-ports P when it becomes necessary to work the fuel in the producer-chamber. The openings G, as well as poke-holes L, in the ltop ot' the producer, are each covered by an inverted funnel-shaped casting, M, which has a hole inthe middle for the insertion of tools into the gas-fines or fuelchamber. This holeis closed by an iron ball, K, lying loosely over the hole in the bottom of the funnel. This ball is pushed aside by the tool when the opening is being used. but as soon as the tool is removed this ball rolls back to the bottom and covers the hole, thereby automatically stopping the escape and waste ot' gas and preventing the infiux of air. The funnel may be conical or pyramidal.-

Generally I run the gas-producer by blast from steam-jets and introduce the blast into the fuel periodically at different points of the combustion-chamber through blast-ports, as described in Letters Patent No. 282, O25, issued to me July 24, 1883. By introducing the blast as described I prevenuthc heat from rising to the upper port-ions ofthe fuel and thereby remove one ofthe conditions favorable to the formation of soot.

In cases where producers stand side by side, forming batteries with a common main flue and with only their fronts accessible, I sometimes introduce the blast into the fuel periodically through one ofthe two or more separate doorways in the front of the producers. I then deliver the blast into the doorways through ports in the brick-work just inside of the doorl'rames, or I construct the door-frames as projecting boxes and deliver the blast into these through an opening in one of their sides just back of the doors. The doorways then act as blast-ports, and each may have its own valve for the admission ofthe blast, or they may all have a common yalve located in a main blastchamber.

I am aware that a rotating ball-valve has heretofore been employed for closing the stoke- 1. 1n a gas-producer, the combination, withthe prod acer-chamber and main gas-flue, of an intermediate soot-chamber arranged in rear ofthe producer-chamber and below the gasdischarge flue or iues of the latter, and made larger in cross-section than said liuc or fines, and provided with an opening or openings for cleaning the same, and with a bottom outlet communicating with the main gas-flue substantially as herein set forth.

2. In a gas-producer, the combination, with the producer-chamber A, discharge-fines B, and main gas-flue F, of the intermediate sootchamber, C, made larger in cross-section than said discharge-fines B, and located below the latter and provided with a horizontal bottom extension, C', communicating with the main gas-flue, substantially as and for the purpose set forth.

3. A gas-producer having a soot-chamber, C, below and in the rear of the producer-chamber A, with opening D and horizontal extension C', substantially as and for the vlpurpose set forth.

4. A gas-producer having a producer-chamber and a soot-chamber, with proper iiue connecting the same, and an opening, D, into the soot-chamber beneath the hearth or grate of the producer-chamber, substantially as and for the purpose set forth.

5. In a gas-producer, the combination, with the soot-chamber and main gas-ue, of a connecting-chamber, I-I, extending outside ofthe brick-work of the producer and containing a gas-valve, substantially as and for the purpose set forth.

6. A gas-producer having a producer-chamber, and a soot-chamber in the rear of the producer-chamber, and one or more openings, G, through which access can be had both to the producer-chamber and soot-chamber, substantially as and for the purpose set forth.

7. The combination of the inverted-funnelshaped cap I, having a central opening and a loosely-seated ball-valve, K, with a gas-producer, having an opening for receiving said cap, and a tlue located thereunder, as and for the purpose stated.

In testimony whereof I affix my signature in presence of two witnesses.

JOHBT ZELL\VEGER.

Vitiiesses:

GEO. W. DEAL, FRED KALLUM.

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